Research Article

Effect of Annealing Process on CH3NH3PbI3-XClX Film Morphology of Planar Heterojunction Perovskite Solar Cells with Optimal Compact TiO2 Layer

Figure 1

Representative cross-sectional SEM image (a) and schematic illustration (b) of the planar heterojunction perovskite solar cell.
(a)
(b)